| 摘要 |
<p>PURPOSE: To provide the head of a golf club with an improved ball impact face. CONSTITUTION: This head consists of an impact plate 20 and the main body 30, and the inner hollow 40 determined by them is filled with a nonmetal filling material 50. The thickness of the impact plate 20 is 3 mm and less at least in the impact area 60, and the filling material 50 is generally selected from thermoplastic materials or elastomer materials.</p> |
